public class atest65 {
    public static void main(String[] args) {
        atest64.teacherName = "王五老师";
        atest64 st = new atest64();
        st.setName("张三");
        st.setAge(18);
        st.setGender("男");

        st.study();
        st.show();

        atest64 st2 = new atest64();
        st.setName("李四");
        st.setAge(18);
        st.setGender("女");
        st.study();
        st.show();
    }
}
